//#include <stdio.h>
//int main()
//{
//	char arr1[] = "abc";
//	char arr2[] = {'a', 'b', 'c', '\0'};
//	printf("%d\n", strlen(arr1));
//	printf("%d\n", strlen(arr2));
//	return 0;	
//}
#include <stdio.h>
int main()
{
	printf("hello bit");
	return 0;
}